[PATCH RFC 07/29] mm/migrate: rename isolate_movable_page() to isolate_movable_ops_page()

[Harry Yoo]

On Wed, Jun 18, 2025 at 07:39:50PM +0200, David Hildenbrand wrote:
> ... and start moving back to per-page things that will absolutely not be
> folio things in the future. Add documentation and a comment that the
> remaining folio stuff (lock, refcount) will have to be reworked as well.
> 
> While at it, convert the VM_BUG_ON() into a WARN_ON_ONCE() and handle
> it gracefully (relevant with further changes), and convert a
> WARN_ON_ONCE() into a VM_WARN_ON_ONCE_PAGE().
> 
> Signed-off-by: David Hildenbrand <david at redhat.com>
> ---

Haha yeah, back to pages after folio conversion :P
But makes sense.

Reviewed-by: Harry Yoo <harry.yoo at oracle.com>

Side question: In the future, maybe we will be unable to tell whether
a page is compound or not, without first inspecting page->memdesc?
(e.g., struct slab could have an order and a pointer to the head page...
just imagining).

-- 
Cheers,
Harry / Hyeonggon